endoplasm

[ en-duh-plaz-uh m ]

/ ˈɛn dəˌplæz əm /

noun Cell Biology.

the inner portion of the cytoplasm of a cell.Compare ectoplasm(def 1).

Nearby words

endophasia, endophlebitis, endophora, endophthalmitis, endophyte, endoplasm, endoplasmic reticulum, endopod, endopodite, endopolyploidy, endoproct

Origin of endoplasm

First recorded in 1880–85; endo- + -plasm

Related forms

en·do·plas·mic, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for endoplasm

The general cytoplasm shows no differentiation into ectoplasm and endoplasm; it is uniformly alveolar in character.
Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5|Various
The endoplasm is finely granular; the œsophagus leading into it is very distinct.
Marine Protozoa from Woods Hole|Gary N. Calkins
Differentiation of ectoplasm and endoplasm distinct or wanting.
Marine Protozoa from Woods Hole|Gary N. Calkins
They possess a distinct membrane and an excentric nucleus, and contain numerous yellow pigment-granules in the endoplasm.
Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, First Part: Porulosa (Spumellaria and Acantharia)|Ernst Haeckel

This layer is designated the ectoplasm, as distinguished from the remainder of the cell contents, the endoplasm.
The Fundamentals of Bacteriology|Charles Bradfield Morrey

British Dictionary definitions for endoplasm

endoplasm

/ (ˈɛndəʊˌplæzəm) /

noun

cytology the inner cytoplasm in some cells, esp protozoa, which is more granular and fluid than the outer cytoplasmSee ectoplasm (def. 1)

Derived Forms

endoplasmic, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for endoplasm

endoplasm

[ ĕn′də-plăz′əm ]

n.

A central, less viscous portion of the cytoplasm that is distinguishable in certain cells, especially motile cells and protozoa.

Related forms

en′do•plas′mic adj.